Staff bag set using Tyvek Silver, includes M and L sizes. M size: 19cm x 31cm, weight 11.5g L size: 32cm x 40cm, weight 22g Please note that there may be slight individual differences due to amateur measurements. The color and shape of the cord and cord stopper may change. The inside will have the Tyvek logo, etc. Although unused, there are wrinkles and creases due to the nature of Tyvek. Pet bottles and gas canisters are photo props and are not included. The material has excellent waterproof properties, but please note that it is not completely waterproof due to the machine stitching. This is not a manufacturer product, but a handmade item, so please refrain from purchasing if you are looking for perfection. Please understand that it will be shipped folded. ★ Tyvek® Silver is a sheet made by vapor-depositing aluminum on high-density polyethylene non-woven fabric Tyvek®, and further coating each fiber with an anti-oxidation resin to prevent aluminum deterioration. Unlike other companies' products that simply sandwich a breathable aluminum layer between thin waterproof films, this is a strong building material that maintains its waterproofness even after long-term use. From the HP of Asahi-DuPont Flashspun Products Co., Ltd. Thank you for your consideration. Function: Lightweight